That suggests purchases by librarians, bookstore owners, or other book vendors. (writerswin.com)
Most book vendors will boost a new release during the first thirty to sixty days, but after that, authors are on their own. (selfpublishingrelief.com)
Add in the control required for loss prevention and the easiest solution is to separate out authors whose books are not billable through the main book vendor. (hughhowey.com)